Exponential Functions Word

Exponential Functions Word

9th Grade

10 Qs

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Exponential Functions Word

Exponential Functions Word

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSF.LE.A.2, HSF-IF.C.8B, HSF.LE.B.5

Standards-aligned

Created by

Anthony Clark

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write an equation that models the following situation: Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

y=6(0.14)x

y=6(1+14)x

y=6(1.14)x

y=6(0.86)x

Tags

CCSS.HSF.LE.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A particular type of cell triples in number every hour. Which function can be used to find the number of cells present at the end of h hours if there are initially 6 of these cells?

f(h) = 3(6)h

f(h) = 6xh

f(h) = 6(3)h

f(h) = 3(6h)

Tags

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of function does the equation f(x) = 200(0.79)x represent?

Exponential Growth

Exponential Decay

Linear

Quadratic

Tags

CCSS.HSF-IF.C.8B

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which equation describes the story below?

You start with $5 and triple your money every day.

y=5(3)x

y=5x

y=5(3x)

y=15x

Tags

CCSS.HSF.LE.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The amount of cola in a soda machine decreases by a rate of 5% each hour. The amount of cola in the machine was originally 75 gallons. Which function models the amount of cola in gallons after h hours?

f(h) = 75(-5)h

f(h) = -5(75)h

f(h) = .95(75)h

f(h) = 75(.95)h

Tags

CCSS.HSF.LE.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write an exponential function to model the situation. You invest $1500. Your investment increases at a rate of 3.5%.

B(t) = 1500(0.965)t

B(t) = 1500(1.035)t

B(t) = 1500(.035)t

B(t) = 1500(1.965)t

Tags

CCSS.HSF.LE.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write an exponential function to model the situation. Then solve. The value of a car is $18000 and is depreciating at a rate of 12% per year. What will the value of the car be after 10 years?

V(t) = 18000(.88)t ; $12986.98

V(t) = 18000(.12)t ; $12986.98

V(t) = 18000(.88)t ; $5013.02

V(t) = 18000(.12)t ; $5013.02

Tags

CCSS.HSF.LE.A.2

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